_See_ Mordant, iron.
Jute fibre, 3
" composition of, 4
Lac, button, 63
" dye, 62, 99
" seed, 62
" stick, 62
_See also_ Shellac.
Lakes, colour, 75
Latent heat. _See_ Heat.
Leblanc process, 53
Light, analysis of white, 107
" composition of white, 107
" homogeneous or monochromatic, 108, 110
" rays, refraction of, 108
Linen fibre. _See_ Flax.
Litmus, 70, 86
Logwood, 75, 76, 78, 83, 99
Logwood black, 78, 81, 104
" " deterioration of hats dyed with, 104
Madder, 80, 83, 99
Magenta, 76, 80, 83, 91, 97
Marsh gas, 95
Mercuric nitrate, use of, for the secretage of fur, 17
Merino wool, 15
Methane. _See_ Marsh gas.
Methyl alcohol. _See_ Wood spirit.
" green, 97
" violet, 97
Mirbane, essence of, 96
Molisch's test, 4
Mordant, alumina, 64, 75
" antimony, 76
" iron, 64, 76
" tannin, 76
" tin, 76
Mordanting acid (phenolic) colours, 74
" basic colours, 76
" chrome, 77
" woollen fabrics, 75
Mordants, 69
" fatty acid, 77
Naphthalene, 90, 98
Naphthol yellow, 91
Naphthols, 91, 98
Naphthylamine, 91
Nitric acid, 95
" manufacture of, 52
Nitrobenzene, 96
Nitroprusside of soda, 26
Oils, decomposition of, by superheated steam, 35
Orcein, 86
Orchil, 85, 86
Orcin, 86
Orellin, 88
Over-chroming, _See_ Chroming.
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